:root { --primary-color: #6a11cb; --secondary
-color: #2575fc; --bg-gradient: linear-gradient(135deg, #0
f0c29, #302b63, #24243e); --text-light
: #ffffff; --text-dark: #333; }
        * { box-sizing: border
-box; margin: 0; padding: 0; }
        body { font-family: 'Segoe
 UI', sans-serif; line-height: 1.6; color: var(--text-dark); background
: #fdfdfd; }
        .container { max-width: 1200px; margin: 0 auto
; padding: 0 20px; }
        header { background: #fff; padding: 15px 0;
 border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 100
0; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

        .nav-links { display: flex; gap: 0; }
        .nav-links a { padding
: 10px 15px; text-decoration: none; color: #333; font-
weight: 500; }
        .hero { background: var(--bg-gradient); color: white
; padding: 100px 20px; text-align: center; }
        .hero h1 { font
-size: 3rem; margin-bottom: 20px; }
        .btn { display: inline-block
; padding: 12px 30px; background: var(--secondary-color); color: #fff; border-radius:
 5px; text-decoration: none; margin-top: 20px; }
        section { padding: 8
0px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 30px; }
        .card { padding
: 30px; border-radius: 15px; background: #fff; box-shadow: 0
 4px 20px rgba(0,0,0,0.08); transition: transform 0.3s;
 }
        .card:hover { transform: translateY(-10px); }
        .footer { background: #22
2; color: #ccc; padding: 50px 0; text-align: center; }
        .feedback
-form input, .feedback-form textarea { width: 100%; padding: 10px; margin:
 10px 0; border: 1px solid #ddd; }
        .faq-item { border
-bottom: 1px solid #eee; padding: 15px 0; cursor: pointer; }
        
.float-kefu { position: fixed; right: 20px; bottom: 20px; z
-index: 999; }